19398714 has 8 divisors (see below), whose sum is σ = 38797440. Its totient is φ = 6466236.

The previous prime is 19398647. The next prime is 19398727. The reversal of 19398714 is 41789391.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

19398714 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1616554 + ... + 1616565.

It is an arithmetic number, because the mean of its divisors is an integer number (4849680).

Almost surely, 2^19398714 is an apocalyptic number.

19398714 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19398714 is a wasteful number, since it uses less digits than its factorization.

19398714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233124.

The product of its digits is 54432, while the sum is 42.

The square root of 19398714 is about 4404.3971210598. The cubic root of 19398714 is about 268.6938008322.

The spelling of 19398714 in words is "nineteen million, three hundred ninety-eight thousand, seven hundred fourteen".